Johnson County, Iowa
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Johnson County is located in the U.S. state of Iowa. As of the 2020 census, the population was 152,854, and was estimated to be 160,044 in 2025, making it the fourth-most populous county in Iowa. The
The Johnson County Courthouse in Iowa City
Old Johnson County Courthouse, Iowa City, 1857-1899
Iowa
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Iowa is a landlocked state in the upper Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the no
Johnson County, Iowa
…Johnson County is located in the U.S. state of Iowa. As of the 2020 census, the population was 152,854, and was estimated to be 160,044 in 2025, making it the fourth-most populous county in Iowa. The…
Excavation of the 3,800-year-old Edgewater Park Site
Iowa in 1718 with the modern state area highlighted
Iowa Territorial Seal
DeSoto Lake at DeSoto National Wildlife Refuge